RHIDP-6850: Add TechDocs subtitle

Author: linfraze

titles/techdocs/docinfo.xml

@@ -1,10 +1,9 @@
 <title>TechDocs for {product}</title>
 <productname>{product}</productname>
 <productnumber>{product-version}</productnumber>
-<subtitle>
-</subtitle>
+<subtitle>Use the TechDocs plugin to read and manage your team's technical documentation in one place. Further enhance and customize your TechDocs experience with add-ons.</subtitle>
 <abstract>
-    <para>Your organization can use the built-in TechDocs plugin for {product} to create, find, and use technical documentation in a central location and in a standardized way. Use supported TechDocs add-ons, or create your own, to further enhance your documentation experience.</para>
+    <para>Your organization can use the built-in TechDocs plugin for {product} to create, find, and use technical documentation in a central location and in a standardized way. Documentation files are stored alongside your code and rendered in the Docs tab. Use supported TechDocs add-ons, or create your own, to further enhance your documentation experience.</para>
 </abstract>
 <authorgroup>
     <orgname>{company-name} Customer Content Services</orgname>

titles/techdocs/master.adoc

@@ -1,8 +1,8 @@
-[id="title-techdocs-rhdh"]
 include::artifacts/attributes.adoc[]
+
+:context: customizing-display
+[id="{context}"]
 = TechDocs for {product}
-:context: title-techdocs-rhdh
-:imagesdir: images
 
 // about techdocs
 include::modules/techdocs/con-techdocs-about.adoc[leveloffset=+1]